19539+1958 J 498

19^h 53^m 54.79^s +19° 59' 01.8" P.A. 89.00 sep 2.3 mag 10.04,11.35

Coord 2000	19539+1958	Discov num	J 498	Comp		Coord arcsec 2000	19 53 54.79 +19 59 01.8
Date first	1911	Date last	2016	Obs	16
Pa first	91	Pa last	89	P.A. Now (θ)	89°
Sep first	1.6	Sep last	2.3	Sep. Now (ρ)	2.3"
Mag pri	10.04	Mag sec	11.35	delta mag (ΔM)	1.31	Spectral class
Pri motion ra	-013	Sec motion ra	-011
Pri motion dec	-004	Sec motion dec	-002
Notes	V (Proper motion indicates physical)

rPM=0.208 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	89		Precise sep	2.259		Constellation	Vulpecula		SAO	105397
Tycho2	1624-02111-1		Gaia DR2	1826251537762022784		HD	350742

WDS HISTORIC DATA

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